<?php

/**
 * Argument handler to accept a language.
 */
class views_handler_argument_locale_group extends views_handler_argument {

    function construct() {
        parent::construct('group');
    }

    /**
     * Override the behavior of summary_name(). Get the user friendly version
     * of the group.
     */
    function summary_name($data) {
        return $this->locale_group($data->{$this->name_alias});
    }

    /**
     * Override the behavior of title(). Get the user friendly version
     * of the language.
     */
    function title() {
        return $this->locale_group($this->argument);
    }

    function locale_group($group) {
        $groups = module_invoke_all('locale', 'groups');
        // Sort the list.
        asort($groups);
        return isset($groups[$group]) ? $groups[$group] : t('Unknown group');
    }

}

